/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
package org.apache.dolphinscheduler.e2e.pages.project.workflow.task;

import lombok.Getter;
import org.apache.dolphinscheduler.e2e.pages.project.workflow.WorkflowForm;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.FindBy;
import org.openqa.selenium.support.FindBys;
import org.openqa.selenium.support.PageFactory;
import org.openqa.selenium.support.pagefactory.ByChained;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

import java.util.List;
import java.util.stream.Stream;

@Getter
public abstract class TaskNodeForm {
  @FindBys({
      @FindBy(className = "input-node-name"),
      @FindBy(tagName = "input")
  })
  private WebElement inputNodeName;

  @FindBy(className = "btn-submit")
  private WebElement buttonSubmit;

  @FindBys({
      @FindBy(className = "input-param-key"),
      @FindBy(tagName = "input"),
  })
  private List<WebElement> inputParamKey;

  @FindBys({
      @FindBy(className = "input-param-value"),
      @FindBy(tagName = "input"),
  })
  private List<WebElement> inputParamValue;

  @FindBys({
      @FindBy(className = "pre-tasks-model"),
      @FindBy(className = "n-base-selection"),
  })
  private WebElement selectPreTasks;

  @FindBys({
      @FindBy(className = "btn-custom-parameters"),
      @FindBy(tagName = "button"),
  })
  private WebElement buttonCustomParameters;

  @FindBy(className = "btn-create-custom-parameter")
  private WebElement buttonCreateCustomParameters;

  private final WorkflowForm parent;

  TaskNodeForm(WorkflowForm parent) {
    this.parent = parent;

    final WebDriver driver = parent.driver();

    PageFactory.initElements(driver, this);
  }

  public TaskNodeForm name(String name) {
    inputNodeName().sendKeys(name);

    return this;
  }

  public TaskNodeForm addParam(String key, String value) {
    assert inputParamKey().size() == inputParamValue().size();

    final int len = inputParamKey().size();

    final WebDriver driver = parent().driver();

    if (len == 0) {
      buttonCustomParameters().click();

      inputParamKey().get(0).sendKeys(key);
      inputParamValue().get(0).sendKeys(value);
    } else {
      buttonCreateCustomParameters().click();

      inputParamKey().get(len).sendKeys(key);
      inputParamValue().get(len).sendKeys(value);
    }

    return this;
  }

  public TaskNodeForm preTask(String preTaskName) {
    ((JavascriptExecutor) parent().driver()).executeScript("arguments[0].click();", selectPreTasks);

    final By optionsLocator = By.className("option-pre-tasks");

    new WebDriverWait(parent.driver(), 10)
        .until(ExpectedConditions.visibilityOfElementLocated(optionsLocator));

    List<WebElement> webElements = parent.driver().findElements(optionsLocator);
    webElements.stream()
        .filter(it -> it.getText().contains(preTaskName))
        .findFirst()
        .orElseThrow(() -> new RuntimeException("No such task: " + preTaskName))
        .click();

    inputNodeName().click();

    return this;
  }

  public WorkflowForm submit() {
    buttonSubmit.click();

    return parent();
  }
}
